1047511378835 has 8 divisors (see below), whose sum is σ = 1257481483776. Its totient is φ = 837697216960.

The previous prime is 1047511378807. The next prime is 1047511378847. The reversal of 1047511378835 is 5388731157401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1047511378835 - 2¹² = 1047511374739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38970986 + ... + 38997855.

It is an arithmetic number, because the mean of its divisors is an integer number (157185185472).

Almost surely, 2^{1047511378835} is an apocalyptic number.

1047511378835 is a deficient number, since it is larger than the sum of its proper divisors (209970104941).

1047511378835 is an equidigital number, since it uses as much as digits as its factorization.

1047511378835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77971533.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 1047511378835 in words is "one trillion, forty-seven billion, five hundred eleven million, three hundred seventy-eight thousand, eight hundred thirty-five".